Constructor parameters not appearing on Type alias

[bschnurr]

expected

import Threading

start_new_thread = threading.Thread

start_new_thread()

[StellaHuang95]

A simple repro example would be:

class A:
    def __init__(self, a: int):
        self.a = a

A()

B = A
B()

Hover on A() shows

Hover on B() shows